Administrator's Guide

Features and technical reference
555-233-5061504 Issue 5 October 2002
Interactions
■ Abbreviated Dialing
The switch does not check the FRL on an AAR or ARS call that uses a
privileged Abbreviated Dialing Group List.
Related topics
■ AAR and ARS Digit Analysis Table
■ AAR and ARS Digit Conversion Table
■ AAR and ARS partitioning
■ ARS Toll Table (ARS only)
■ Class of Restriction
■ Dial Plan Analysis Table
■ Feature Access Codes
■ Generalized Route Selection
■ Look-Ahead Routing
■ Node Number Routing
■ Route Pattern
■ Remote Home Number Plan Area
■ Time of Day Routing Plan
■ Toll Analysis (ARS only)
Barrier codes
A barrier code is a security code used with Remote Access to prevent
unauthorized access to your system.
Brief description
Each barrier code must have a COR and Class of Service (COS) assigned. Remote
Access has inherent risks; it can lead to large-scale unauthorized long-distance
use. To increase your system’s security use a 7-digit barrier code with Remote
Access Barrier Code Aging. You can administer Remote Access Barrier Code
Aging to:
■ Limit the length of time an access code remains valid and/or
■ Limit the number of times an access code can be used